.m-createPrize{
  position: absolute;
  top:50%;
  left: 50%;
  transform: translate(-50%,-50%);
  -webkit-animation: m-createPrize 0.5s linear;
  width: 650px;

  .close{
    position: absolute;
    right: 10px;
    top: 7px;
  }
}

@keyframes m-createPrize {
  0%{
    transform: translate(-50%,-100%);
  }
  100%{
    transform: translate(-50%,-50%);
  }
}